Portable flash memory device



FIG. 1 is a perspective view of a portable flash memory device showingour new design;

FIG. 2 is a perspective view showing an open position of the portableflash memory device;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

It is understood that FIG. 1 and FIGS. 3-8 are shown in a closedposition.

The ornamental design for a portable flash memory device, as shown anddescribed.